Perhaps you should try some spelling variations:
"bo sach ky thuat ung dung tri marketing" » "bo sach ky thuat ung dung trong marketing", "bo sach ky thuat ung dung tvqg marketing", "bo sach ky thuat ung dung _ marketing", "bo sach ky thuat dung dung tri marketing", "bo sach ky thuat hung dung tri marketing", "bo sach ky thuat song dung tri marketing", "bo sach ky thuat ung dung tai marketing", "bo sach ky thuat ung dung tren marketing", "bo sach ky thuat ung dung doi marketing", "co sach ky thuat ung dung tri marketing", "hoc sach ky thuat ung dung tri marketing", "bo sac ky thuat ung dung tri marketing", "bo sach y thuat ung dung tri marketing", "bo sach ty thuat ung dung tri marketing"
"bo sach ki thuat xung dung sai marketing" » "bo sach ki thuat xung dung tac marketing", "bo sach ki thuat xung dung van marketing", "bo sach ki thuat xung dung thi marketing", "bo sach ki thuat dung dung sai marketing", "bo sach ki thuat hung dung sai marketing", "bo sach ki thuat song dung sai marketing", "bo sach ki thuat cung dung sai marketing", "bo sach ki thuat cuong dung sai marketing", "bo sach ki thuat xung dung tai marketing", "bo sach ki thuat xung dung va marketing", "bo sach ki thuat xung dung dat marketing", "co sach ki thuat xung dung sai marketing", "hoc sach ki thuat xung dung sai marketing", "bo sach kinh thuat xung dung sai marketing", "bo sach bai thuat xung dung sai marketing", "bo sach kem thuat xung dung sai marketing"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("bo sach ki thuat xung dung sai marketing") or ("bo sach ky thuat ung dung tri marketing"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("bo sach ki thuat xung dung sai marketing") OR ("bo sach ky thuat ung dung tri marketing"))*.
• Removing quotes may allow a broader search: (( bo sach ki thuat xung dung sai marketing ) or ( bo sach ky thuat ung dung tri marketing ))*.